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* remove dealloc/alloc of reg1 between "movl %reg1,%reg2;

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movl %reg2,%reg1" when removing the second instruction (it
    confused the CSE and caused errors with -Or)
This commit is contained in:
Jonas Maebe 2000-03-25 18:57:02 +00:00
parent 8d1930db17
commit 3555239e29
1 changed files with 10 additions and 3 deletions
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13
compiler/popt386.pas
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@ -939,9 +939,11 @@ Begin
Begin
If OpsEqual(Paicpu(hp1)^.oper[0],Paicpu(p)^.oper[1]) Then
{ Removes the second statement from
mov reg1, mem1
mov mem1, reg1 }
mov reg1, mem1/reg2
mov mem1/reg2, reg1 }
Begin
if (paicpu(p)^.oper[0].typ = top_reg) then
AllocRegBetween(asmL,paicpu(p)^.oper[0].reg,p,hp1);
AsmL^.remove(hp1);
Dispose(hp1,done);
End
@ -1890,7 +1892,12 @@ End.
{
$Log$
Revision 1.87 2000-02-13 14:21:50 jonas
Revision 1.88 2000-03-25 18:57:02 jonas
* remove dealloc/alloc of reg1 between "movl %reg1,%reg2;
movl %reg2,%reg1" when removing the second instruction (it
confused the CSE and caused errors with -Or)
Revision 1.87 2000/02/13 14:21:50 jonas
* modifications to make the compiler functional when compiled with
-Or